Just do it, and it's one less thing to worry about.
The way I did it was to install a vinyl vacuum plug over the plastic nipple on the air box then spray it with silicone spray and then work the rubber hose back over it. Add a hose clamp and good to go.
Don't tear your air box front off until you do the air filter mod.
How would you hurt the engine by blocking off the AIS on the outside of the airbox with out doing the filter mod?Thanks for pointing out not to use my method without modding the air box to use a clamp on style filter first Primethious. Would not want to give advice that would cause harm to someone's machine.